Andrew: I went to chloe's house. Her mother cooked fried potato.
And then I went to home.
Correct: I went to Chloe's house. Her mother cooked fried potatoes.
And then I went back home.
Explanation: Always capitalize the name of a person.

Andrew: I met my friends on last weekend.
Correct: I met my friends  last weekend.
Explanation: No need to put "on".

Andrew: We are about to start playing video game
Correct:  We are about to play viideo games.

Hi, Andrew! It seems that you really had a great time last weekend. See
you later in class.

-Teacher Isabel